/*
 * Copyright (C) 2024 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.internal.util;

import static org.junit.Assert.assertEquals;

import androidx.test.runner.AndroidJUnit4;

import org.junit.Test;
import org.junit.runner.RunWith;

@RunWith(AndroidJUnit4.class)
public class IntPairTest {
    @Test
    public void testSimple() throws Exception {
        final long pair = IntPair.of(1, 2);
        assertEquals(1, IntPair.first(pair));
        assertEquals(2, IntPair.second(pair));
    }

    @Test
    public void testNegative() throws Exception {
        final long pair = IntPair.of(-1, -2);
        assertEquals(-1, IntPair.first(pair));
        assertEquals(-2, IntPair.second(pair));
    }

    @Test
    public void testFullFirst() throws Exception {
        final long pair = IntPair.of(~0, 0);
        assertEquals(~0, IntPair.first(pair));
        assertEquals(0, IntPair.second(pair));
    }

    @Test
    public void testFullSecond() throws Exception {
        final long pair = IntPair.of(0, ~0);
        assertEquals(0, IntPair.first(pair));
        assertEquals(~0, IntPair.second(pair));
    }
}
